flow-control.js

function basicTeenager(age) {
if (age >= 13 && age <= 19) return ("You are a teenager!")
}

function teenager(age) {
if (age >= 13 && age <= 19) return ("You are a teenager!")
else if (age < 13 || age > 19) return ("You are not a teenager")

}

function ageChecker(age) {
if (age >= 13 && age <= 19) return ("You are a teenager!")
else if (age <= 12) return ("You are a kid")
else if (age >= 20) return ("You are a grownup")
}

function ternaryTeenager(age) {
if (age >= 13 && age <= 19) return ("You are a teenager")
else if (age < 13 || age > 19) return ("You are not a teenager")
}

function switchAge(age) {
if (age >= 13 && age <= 19) return ("You are a teenager")
else if (age < 13 || age > 19) return ("You have an age")
}